Claude Opus 4.6
VS
Claude Sonnet 4.6
Claude Opus 4.6 vs Claude Sonnet 4.6: which wins at real work?
22 task areas · same graded test runs · rank comparison only, so 0–100 and Elo collections never mix raw scores.
Claude Opus 4.6 wins 12 of 22 task areas we tested; Claude Sonnet 4.6 takes 10. Claude Sonnet 4.6 costs 1.7× less per token ($18 vs $30 per 1M).
Claude Sonnet 4.6 costs 1.7× less per token ($18 vs $30 per 1M).
Task by task
| Task area | Claude Opus 4.6 | Claude Sonnet 4.6 | Winner |
|---|---|---|---|
| Knowledge & Docs |
#66
/ 110
Usable
|
#35
/ 110
Strong
|
Claude Sonnet 4.6 |
| Frontend & Landing Pages |
#51
/ 109
Needs editing
|
#23
/ 109
Needs editing
|
Claude Sonnet 4.6 |
| Customer Support |
#81
/ 113
Usable
|
#62
/ 113
Strong
|
Claude Sonnet 4.6 |
| Presentations & Decks |
#54
/ 110
Excellent
|
#35
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Landing Pages |
#23
/ 72
Strong
|
#5
/ 72
Strong
|
Claude Sonnet 4.6 |
| Content & Brand |
#14
/ 124
Strong
|
#31
/ 124
Strong
|
Claude Opus 4.6 |
| Executive Assistant |
#18
/ 112
Strong
|
#1
/ 112
Strong
|
Claude Sonnet 4.6 |
| RAG, Safety & Grounding |
#59
/ 113
Excellent
|
#73
/ 113
Excellent
|
Claude Opus 4.6 |
| Coding |
#18
/ 115
Excellent
|
#29
/ 115
Strong
|
Claude Opus 4.6 |
| Translation & Localization |
#2
/ 110
Excellent
|
#13
/ 110
Excellent
|
Claude Opus 4.6 |
| Creative & Comedy | #10 / 110 | #19 / 110 | Claude Opus 4.6 |
| Sales |
#4
/ 110
Strong
|
#13
/ 110
Strong
|
Claude Opus 4.6 |
| Chef / Home Cooking |
#12
/ 126
Strong
|
#20
/ 126
Usable
|
Claude Opus 4.6 |
| Training & Education |
#1
/ 110
Excellent
|
#9
/ 110
Excellent
|
Claude Opus 4.6 |
| Structured Output |
#98
/ 113
Strong
|
#105
/ 113
Usable
|
Claude Opus 4.6 |
| Research & Competitive Analysis |
#29
/ 110
Strong
|
#35
/ 110
Strong
|
Claude Opus 4.6 |
| Legal & HR |
#8
/ 110
Excellent
|
#3
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Data & Analytics |
#10
/ 110
Excellent
|
#6
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Investor & Pitch |
#8
/ 66
Strong
|
#4
/ 66
Strong
|
Claude Sonnet 4.6 |
| Product & Project Management |
#45
/ 110
Strong
|
#48
/ 110
Strong
|
Claude Opus 4.6 |
| Summarization & Meeting Notes |
#34
/ 110
Excellent
|
#37
/ 110
Excellent
|
Claude Opus 4.6 |
| AI Strategy |
#5
/ 126
Strong
|
#3
/ 126
Strong
|
Claude Sonnet 4.6 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Claude Opus 4.6 better than Claude Sonnet 4.6?
Across 22 task areas we benchmarked, Claude Opus 4.6 ranks higher in 12 and Claude Sonnet 4.6 in 10.
Which is cheaper, Claude Opus 4.6 or Claude Sonnet 4.6?
Claude Sonnet 4.6 costs 1.7× less per token ($18 vs $30 per 1M).
What is Claude Opus 4.6 better at?
Claude Opus 4.6 out-ranks Claude Sonnet 4.6 at Content & Brand, RAG, Safety & Grounding, Coding.
What is Claude Sonnet 4.6 better at?
Claude Sonnet 4.6 out-ranks Claude Opus 4.6 at Knowledge & Docs, Frontend & Landing Pages, Customer Support.
More comparisons
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Prompt × model results
12 test cases · 3 evals